$59 Find Cheap Flights from Austin to Harlingen - Compare and Save

Among airlines operating Austin to Harlingen flights:

• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Southwest operates flights between Austin and Harlingen.

Flights from Austin to Harlingen usually depart from Austin Bergstrom (AUS) and arrive at Harlingen Valley Intl (HRL).

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Austin to Harlingen.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $227 round-trip via Houston George Bush Intcntl (IAH), compared to $239 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

Connecting flights from Austin to Harlingen most commonly pass through:

• Houston George Bush Intcntl (IAH) - 81% of one-stop connections
• Houston Hobby (HOU) - 19% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

On the Austin to Harlingen route, being flexible with your departure day can save you up to 43%. Saturday is the cheapest day at $206 round-trip on average, while Tuesday is the most expensive at $358: a $152 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Austin to Harlingen flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

These are the earliest and latest flight times available from Austin to Harlingen:

• Earliest: departs at 8:35 am and lands at 9:43 am
• Latest: departs at 10:05 pm and lands at 11:13 pm.

The flight takes about 1h 08m.

A nonstop flight from Austin to Harlingen takes 1h 08m, covering 274 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $117 to $817. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Austin to Harlingen are currently lower than usual. Average one-way flight prices are about $86, which is 39% below the typical average for this route.

Flying via Houston Hobby (HOU) gives the shortest average 1-stop total travel time at 3h 07m, compared with 3h 37m via Houston George Bush Intcntl (IAH).

Harlingen Valley Intl Airport (HRL) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Enterprise Rent-A-Car
• Avis

Round-trip flights from Austin to Harlingen range from $188 to $328, with an average of $237 over the past 12 months. Anything below $188 counts as a good deal.